Hydro One Second Quarter Results Release August 12, 2016 Before Markets Open

Investment Community Teleconference Set for August 12, 2016 at 8:30 a.m. ET

TORONTO, July 5, 2016 /PRNewswire/ - Hydro One Limited (TSX: H), the largest electrical transmission and distribution utility in Ontario, plans to release its second quarter financial results the morning of August 12, 2016 before North American financial markets open. A summary of the results will be distributed by newswire and the complete MD&A and financial statements will posted at www.hydroone.com/investors and www.sedar.com.

Hydro One's management will host a teleconference with the investment community at 8:30 a.m. ET that same morning to discuss the results and outlook. Those wishing to listen to the teleconference should access the live webcast on the Investor Relations Events and Presentations section of Hydro One's website at www.hydroone.com/investors. A webcast of the teleconference will be available following the call.

Those members of the North American financial community wishing to ask questions during the call should dial 1.855.716.2690 at least ten minutes prior to the scheduled start time and request Hydro One's second quarter results call, conference ID 36352636 (international callers should dial 1.440.996.5689). Other interested parties and media are welcome to participate on a listen-only basis.

About the Company:

Hydro One Limited (TSX: H) Hydro One is Ontario's largest electricity transmission and distribution company headquartered in Toronto, Ontario with approximately $24 billion in assets and 2015 revenues of over $6.5 billion. Hydro One delivers electricity safely and reliably to over 1.3 million customers across the province of Ontario, and to large industrial customers and municipal utilities. Hydro One owns and operates Ontario's approximately 29,000 circuit km high-voltage transmission network and an approximately 123,000 circuit km primary low-voltage local distribution network. For more information about Hydro One, visit www.HydroOne.com